It looks like you are running an older version of Java or the GNU version of Java. Wowza Pro requires at least Java 5 (aka 1.5) (we recommend the latest version of Java 6 (aka 1.6) â€“ Java 6 Update 4). You can download the JDK from the
java.sun.com website. When the installation is complete you should be able to execute the command:

java -version

It will return the current java version number. If it is still running the old version read this post for suggestions: